<template>
    <div class="goodsinfo-container">
        <transition @before-enter="beforeEnter" @enter="enter" @after-enter="afterEnter">
            <div class="ball" v-show="ballFlag" ref="ball"></div>
        </transition>
        <div class="mui-card">
			<div class="mui-card-content">
				<div class="mui-card-content-inner">
					<swiper :lunbotuList="lunbotu" :isFull="true"></swiper>
				</div>
			</div>
		</div>

        <div class="mui-card">
            <div class="mui-card-header">{{info.title}}</div>
            <div class="mui-card-content">
                <div class="mui-card-content-inner">
                    <p class="price">
                        市场价：<del>{{info.market_price}}</del>&nbsp;&nbsp;销售价：<span class="now_price">{{info.sell_price}}</span>
                    </p>
                    <p>购买数量：<numbox @getcount="getSelectedCount" :max="info.stock_quantity"></numbox></p>
                    <p>
                        <mt-button type="primary" size="small">立即购买</mt-button>
                        <mt-button type="danger" size="small" @click="addToShopCar">加入购物车</mt-button>
                    </p>
                </div>
            </div>
        </div>

        <div class="mui-card">
            <div class="mui-card-header">商品参数</div>
            <div class="mui-card-content">
                <div class="mui-card-content-inner">
                    <p>商品货号：SD00392K392J382K</p>
                    <p>库存情况：{{info.stock_quantity}}</p>
                    <p>上架时间：{{info.add_time | dateFormat}}</p>
                </div>
            </div>
            <div class="mui-card-footer">
                <mt-button type="primary" size="large" plain @click="goDesc(id)">图文介绍</mt-button>
                <mt-button type="danger" size="large" plain @click="goComment(id)">商品评论</mt-button>
            </div>
        </div>
    </div>
</template>

<script>
import swiper from '../subcomponents/swiper.vue'
import numbox from '../subcomponents/goodsinfo_numbox.vue'
export default {
    data() {
        return {
            lunbotu: [],
            info: [],
            id: this.$route.params.id,
            ballFlag: false,
            selectedCount: 1
        }
    },
    components: {
        swiper,
        numbox
    },
    methods: {
        getGoodsinfo(){
            this.$http.get("output/goodslist/goodsinfo/"+this.id+"/index.php").then(result => {
                this.lunbotu=result.body.img
                this.info=result.body
            })
        },
        goDesc(id){
            this.$router.push("/home/goodsdesc/"+id)
        },
        goComment(id){
            this.$router.push("/home/goodscomment/"+id)
        },
        addToShopCar(){
            this.ballFlag=!this.ballFlag
            var goodsinfo ={
                id: this.id,
                count: this.selectedCount,
                price: this.info.sell_price,
                selected: true
            }
            this.$store.commit("addToCar", goodsinfo)
        },
        beforeEnter(el){
            el.style.transform="translate(0,0)"
        },
        enter(el,done){
            el.offsetWidth
            const ballPosition=this.$refs.ball.getBoundingClientRect()
            const badgePosition=document.getElementById("badge").getBoundingClientRect()
            const xDist=badgePosition.left - ballPosition.left
            const yDist=badgePosition.top - ballPosition.top
            el.style.transform=`translate(${xDist}px,${yDist}px)`
            el.style.transition="all 0.5s cubic-bezier(.4,-0.3,1,.68)"
            done()
        },
        afterEnter(el){
            this.ballFlag=!this.ballFlag
        },
        getSelectedCount(count){
            this.selectedCount=count
        }
    },
    created() {
        this.getGoodsinfo()
    }
}
</script>

<style lang="scss" scoped>
.goodsinfo-container{
    background-color: #eee;
    overflow: hidden;
    .now_price{
        color: red;
        font-size: 16px;
        font-weight: bold;
    }
    .mui-card-footer{
        display: block;
        button{
            margin: 15px 0;
        }
    }
    .ball{
        width: 15px;
        height: 15px;
        border-radius: 50%;
        background-color: red;
        position: absolute;
        z-index: 99;
        top: 411px;
        left: 149px;
    }
}
</style>

